#!/usr/bin/env python
# -*- coding:utf-8 -*-
# @FileName :cp_2.14.py
# @Time     :2023/7/12 23:43
# @Author   :Ash

if __name__ == "__main__":
    t = (1, 2, [30, 40])
    t[2] += [50, 60]
    # t[2].extend([50, 60])
    print(t)
